martes, 6 de marzo de 2012

MOUNTAINS

Mountain landscapes are made up of mountains and valleys.

- Mountains are raised parts of the Earth´s surface. Hills have a lower altitude than mountains. ( Altitude is the height of something above sea level, or the Earth´s surface).

- Several mountains grouped together are called a mountain range. A long line of mountain ranges is called a mountain chain.

- Valleys are low areas between mountains. Rivers are often found in valleys.

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